Exposure
ID
GRAVI.2024-03-07T02:39:56.466_1
Header ID
GRAVI.2024-03-07T02:39:56.466
Date updated
2024-03-07 02:50:38 UTC+0000
Release date
2025-03-07 02:50:38 UTC+0000
UTC Start
2024-03-07 02:39:56.466
UTC End
2024-03-07 02:43:56.466
MJD Start
60376.11107021
MJD End
60376.1138479878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007407
Ambient temperature (°C)
16.82
Seeing (arcsec)
0.685
Observation
ID
58660
Category
science
Program ID
112.25Y8.001
Program Title
MUTUAL INCLINATIONS AND MASSES OF COMPACT GAIA TRIPLE SYSTEMS
Program Type
Normal
PI / COI
GARDNER/ TOKOVININ/ KRAUS/ LU
Target
ID
43424
Name
HD81157
RA
140.453963
DEC
-55.51428
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.9640 87.2070 108.3000 109.1000
A0-J2 128.8020 128.9050 87.7000 88.5000
A0-K0 127.1420 126.9930 68.9760 69.8190
G1-J2 56.3940 56.2690 54.8000 55.6000
G1-K0 81.3030 81.1170 26.3570 26.9640
J2-K0 41.6060 41.6680 346.0730 346.5920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25Y8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60376.11107021
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453963
DEC -55.51428
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 86.964
HIERARCH ESO ISS PBL12 END 87.207
HIERARCH ESO ISS PBLA12 START 108.3
HIERARCH ESO ISS PBLA12 END 109.1
HIERARCH ESO ISS PBL13 START 128.802
HIERARCH ESO ISS PBL13 END 128.905
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 88.5
HIERARCH ESO ISS PBL14 START 127.142
HIERARCH ESO ISS PBL14 END 126.993
HIERARCH ESO ISS PBLA14 START 68.976
HIERARCH ESO ISS PBLA14 END 69.819
HIERARCH ESO ISS PBL23 START 56.394
HIERARCH ESO ISS PBL23 END 56.269
HIERARCH ESO ISS PBLA23 START 54.8
HIERARCH ESO ISS PBLA23 END 55.6
HIERARCH ESO ISS PBL24 START 81.303
HIERARCH ESO ISS PBL24 END 81.117
HIERARCH ESO ISS PBLA24 START 26.357
HIERARCH ESO ISS PBLA24 END 26.964
HIERARCH ESO ISS PBL34 START 41.606
HIERARCH ESO ISS PBL34 END 41.668
HIERARCH ESO ISS PBLA34 START 346.073
HIERARCH ESO ISS PBLA34 END 346.592
HIERARCH ESO ISS AMBI TAU0 START 0.007928
HIERARCH ESO ISS AMBI TAU0 END 0.006886
HIERARCH ESO ISS AMBI TEMP 16.82
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.75